During the week of 20 October 2025 - 26 October 2025, temperatures averaged at 23 °C (73 °F) during the day and dropped to 18 °C (64 °F) at night. These temperatures are below the long-time average for Beihai, being 29 °C (84 °F) for daily temperatures and 21 °C (70 °F) for night temperatures. Thursday marked the hottest day of the week. Wednesday marked the coldest day of the week. The average temperatures during different times of day (local time) were following: 7am 19 °C (66 °F), 10am 21 °C (70 °F), 1pm 22 °C (72 °F), 4pm 22 °C (72 °F), 7pm 22 °C (72 °F), 10pm 21 °C (70 °F).

During this week: 5 days without rain, 1 day with light rain and 1 day with moderate rain were observed. The total precipitation for the week in Beihai was 13 mm (0.51 in), which is slightly below the area's average of 20 mm (0.79 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 70 %.

Average speed of wind was 9.6 m/s. North was the dominant wind direction(s). The air pressure varied between 1011 hpa and 1020 hpa. The air in Beihai had an average humidity of 74 %.

On average, there were 2 hours clear skies, 4 hours partially overcast skies, 6 hours overcast skies and 1 hour rainy weather during the daytime (from dawn to dusk). The sunrise on average occurred at 06:42, and the sunset occurred at 18:13.

Weather overview

Beihai (China) is a place with a hot climate. The day temperatures range from 18 °C (64 °F) in January to 32 °C (89 °F) in July. The highest night temperatures could be experienced in July with 26 °C (79 °F), the lowest in January with 12 °C (53 °F). The least rainy month in Beihai is December with its 5 days of rain, the rainiest month is August, when it rains 19 days. Sea temperatures are in the following range: 19 °C (66 °F) in January to 29 °C (85 °F) in August.

January weather

The minimum of the day temperature is observable, its value is 18 °C (64 °F) in Beihai, and the sea temperature is on its minimum too in this month. The number of rainy days starts to rise, with its value being 5 days. The dry season is taking place. The descent of the number of sun hours (without clouds) can be observed, with its value of 3 hours. The minimum of the night temperature is observable in January.

February weather

The number of rainy days rises similarly to the previous month, with its value being 8 days in Beihai, while the rainfall amount starts to rise in February. The day temperature starts to rise, with its value being 19 °C (66 °F), and the beginning of the rise of the night temperature could be noticed too in February. The number of sun hours (without clouds) reaches its minimum, its value is 2 hours. The maximum of the wind speed can be noticed.

March weather

The tourist season slowly starts in Beihai. The rise of the day temperature can be observed, the value of this measure is 22 °C (72 °F), while the sea temperature starts to rise, the value of this measure is 20 °C (69 °F). The number of rainy days continues to rise, with its value of 9 days, and the rainfall amount rises similarly to the previous month too, with its value of 57 mm (2.26 in). The humidity is on its maximum in this month.

April weather

The rise of the day temperature can be observed, with its value of 27 °C (80 °F) in Beihai, and the sea temperature continues to rise as well, with its value being 23 °C (74 °F). The tourist season continues. The number of rainy days continues to rise, its value is 9 days, and the rainfall amount continues to rise too, with its value of 89 mm (3.52 in). The number of sun hours (without clouds) starts to rise, with its value of 4 hours.

May weather

The rise of the day temperature can be observed, the value of this measure is 30 °C (86 °F) in Beihai, and the sea temperature rises similarly to the previous month as well, with its value of 27 °C (80 °F). There is pending tourist season this month. The number of rainy days continues to rise, with its value being 12 days, and the rise of the rainfall amount can be observed too. The number of sun hours (without clouds) continues to rise, with its value being 6 hours.

June weather

The rise of the day temperature can be observed, with its value of 31 °C (89 °F) in Beihai, and the sea temperature rises similarly to the previous month as well, the value of this measure is 29 °C (84 °F). The number of rainy days continues to rise, the value of this measure is 17 days, and the rainfall amount continues to rise as well, with its value of 247 mm (9.73 in). The night temperature continues to rise, its value is 26 °C (78 °F). The wet season is at its beginning in June.

July weather

The maximum of the day temperature is observable, with its value being 32 °C (89 °F) in Beihai, and the night temperature reaches its maximum as well, with its value of 26 °C (79 °F). There is pending wet season. The number of rainy days continues to rise, with its value being 18 days, and the rise of the rainfall amount can be observed too, with its value being 297 mm (11.69 in). The number of sun hours (without clouds) is on its maximum, its value is 7 hours.

August weather

There is pending wet season in Beihai. The maximum of the sea temperature can be noticed, while the night temperature descent's start could be observed, with its value being 26 °C (78 °F). The number of rainy days is on its maximum, the value of this measure is 19 days, and the maximum of the rainfall amount can be noticed too in this month. The number of sun hours (without clouds) descent's start could be observed, with its value of 7 hours.

September weather

The day temperature starts to descent, with its value being 31 °C (87 °F) in Beihai, while the night temperature descents similarly to the previous month, its value is 24 °C (75 °F). The beginning of the descent of the number of rainy days could be noticed, with its value of 15 days, and the rainfall amount descent's start could be observed too, with its value being 185 mm (7.29 in). There is pending wet season in September.

October weather

The day temperature descents similarly to the previous month, the value of this measure is 29 °C (83 °F) in Beihai, while the beginning of the descent of the sea temperature could be noticed, the value of this measure is 27 °C (81 °F). The tourist season is about to start. The descent of the number of rainy days can be observed, and the rainfall amount continues to descent too, with its value being 84 mm (3.30 in). The descent of the night temperature can be observed, with its value being 21 °C (70 °F).

November weather

The tourist season is close to its peak in Beihai. The day temperature descents similarly to the previous month, with its value being 25 °C (77 °F), and the sea temperature descents similarly to the previous month as well. The number of rainy days continues to descent, with its value being 6 days, and the rainfall amount descents similarly to the previous month as well, with its value being 47 mm (1.86 in). The night temperature descents similarly to the previous month, with its value being 17 °C (63 °F).

December weather

The tourist season is taking place this month in Beihai. The sea temperature continues to descent, and the day temperature descents similarly to the previous month too, the value of this measure is 21 °C (69 °F). The number of rainy days reaches its minimum, its value is 5 days, and the minimum of the rainfall amount can be noticed as well, with its value being 26 mm (1.02 in). The night temperature continues to descent, its value is 13 °C (56 °F).

Is January part of the dry season in Beihai?

Yes, there is a dry season in Beihai in January with just 5 days during the month being rainy.

What is the night temperature in Beihai in March?

The average night temperature in Beihai in March is 16 °C (61 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.

How many days of precipitation on average can I expect in April in Beihai?

There are 9 days, which are rainy in April in Beihai, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.2 days of the week, or in general - 31 % days.

What is the sea temperature in May in Beihai?

The sea will reach 27 °C (80 °F) in May in Beihai. Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.

How many sunny hours can I expect in Beihai in June?

There is an average length of sunshine of 6 hours per day in June in Beihai.

How windy is Beihai in July?

An average wind scale that can be expected in Beihai in July is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.

How humid is Beihai in August?

In August in Beihai, expect humidity around 81 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

Is there a wet season in September in Beihai?

Yes, in September in Beihai there is a wet season with 15 days, when there is rain in a month.

Is it hot in Beihai in October?

In Beihai in October, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

What is the temperature in Beihai during the day in November?

In Beihai in November, the average daily temperatures will be 25 °C (77 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

Is December a good month to visit Beihai?

December is one of the best months to visit Beihai. You can expect just 5 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 21 °C (69 °F), but others will feel perfectly fine. A sea temperature of 21 °C (70 °F) can seem colder to some, but others will call it refreshing. The temperature of 13 °C (56 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.